int irc_connect6 (irc_session_t * session,
const char * server,
unsigned short port,
const char * server_password,
const char * nick,
const char * username,
const char * realname)
{
#if defined (ENABLE_IPV6)
struct sockaddr_in6 saddr;
struct addrinfo ainfo, *res = NULL;
char portStr[32];
#if defined (_WIN32)
int addrlen = sizeof(saddr);
HMODULE hWsock;
getaddrinfo_ptr_t getaddrinfo_ptr;
freeaddrinfo_ptr_t freeaddrinfo_ptr;
int resolvesuccess = 0;
#endif // _WIN32
sprintf(portStr, "%u", (unsigned)port);
// Check and copy all the specified fields
if ( !server || !nick )
{
session->lasterror = LIBIRC_ERR_INVAL;
return 1;
}
if ( session->state != LIBIRC_STATE_INIT )
{
session->lasterror = LIBIRC_ERR_STATE;
return 1;
}
if ( username )
session->username = strdup (username);
if ( server_password )
session->server_password = strdup (server_password);
if ( realname )
session->realname = strdup (realname);
session->nick = strdup (nick);
session->server = strdup (server);
memset( &saddr, 0, sizeof(saddr) );
saddr.sin6_family = AF_INET6;
saddr.sin6_port = htons (port);
#if defined (_WIN32)
if ( WSAStringToAddressA( (LPSTR)server, AF_INET6, NULL, (struct sockaddr *)&saddr, &addrlen ) == SOCKET_ERROR )
{
hWsock = LoadLibraryA("ws2_32");
if (hWsock)
{
/* Determine functions at runtime, because windows systems < XP do not
* support getaddrinfo. */
getaddrinfo_ptr = (getaddrinfo_ptr_t)GetProcAddress(hWsock, "getaddrinfo");
freeaddrinfo_ptr = (freeaddrinfo_ptr_t)GetProcAddress(hWsock, "freeaddrinfo");
if (getaddrinfo_ptr && freeaddrinfo_ptr)
{
memset(&ainfo, 0, sizeof(ainfo));
ainfo.ai_family = AF_INET6;
ainfo.ai_socktype = SOCK_STREAM;
ainfo.ai_protocol = 0;
if ( getaddrinfo_ptr(server, portStr, &ainfo, &res) == 0 && res )
{
resolvesuccess = 1;
memcpy( &saddr, res->ai_addr, res->ai_addrlen );
freeaddrinfo_ptr( res );
}
}
FreeLibrary(hWsock);
}
if (!resolvesuccess)
{
session->lasterror = LIBIRC_ERR_RESOLV;
return 1;
}
}
#else
if ( inet_pton( AF_INET6, server, (void*) &saddr.sin6_addr ) <= 0 )
{
memset( &ainfo, 0, sizeof(ainfo) );
ainfo.ai_family = AF_INET6;
ainfo.ai_socktype = SOCK_STREAM;
ainfo.ai_protocol = 0;
if ( getaddrinfo( server, portStr, &ainfo, &res ) || !res )
{
session->lasterror = LIBIRC_ERR_RESOLV;
return 1;
}
memcpy( &saddr, res->ai_addr, res->ai_addrlen );
freeaddrinfo( res );
}
#endif // _WIN32
// create the IRC server socket
if ( socket_create( PF_INET6, SOCK_STREAM, &session->sock)
|| socket_make_nonblocking (&session->sock) )
{
session->lasterror = LIBIRC_ERR_SOCKET;
return 1;
}
// and connect to the IRC server
if ( socket_connect (&session->sock, (struct sockaddr *) &saddr, sizeof(saddr)) )
{
session->lasterror = LIBIRC_ERR_CONNECT;
return 1;
}
session->state = LIBIRC_STATE_CONNECTING;
session->motd_received = 0; // reset in case of reconnect
return 0;
#else
session->lasterror = LIBIRC_ERR_NOIPV6;
return 1;
#endif // ENABLE_IPV6
}
int irc_connect6 (irc_session_t * session,
const char * server,
unsigned short port,
const char * server_password,
const char * nick,
const char * username,
const char * realname)
{
#if defined (ENABLE_IPV6)
struct sockaddr_in6 saddr;
struct addrinfo ainfo, *res = NULL;
char portStr[32], *p;
#if defined (_WIN32)
int addrlen = sizeof(saddr);
HMODULE hWsock;
getaddrinfo_ptr_t getaddrinfo_ptr;
freeaddrinfo_ptr_t freeaddrinfo_ptr;
int resolvesuccess = 0;
#endif
// Check and copy all the specified fields
if ( !server || !nick )
{
session->lasterror = LIBIRC_ERR_INVAL;
return 1;
}
if ( session->state != LIBIRC_STATE_INIT )
{
session->lasterror = LIBIRC_ERR_STATE;
return 1;
}
// Free the strings if defined; may be the case when the session is reused after the connection fails
free_ircsession_strings( session );
// Handle the server # prefix (SSL)
if ( server[0] == SSL_PREFIX )
{
#if defined (ENABLE_SSL)
server++;
session->flags |= SESSIONFL_SSL_CONNECTION;
#else
session->lasterror = LIBIRC_ERR_SSL_NOT_SUPPORTED;
return 1;
#endif
}
if ( username )
session->username = strdup (username);
if ( server_password )
session->server_password = strdup (server_password);
if ( realname )
session->realname = strdup (realname);
session->nick = strdup (nick);
session->server = strdup (server);
// If port number is zero and server contains the port, parse it
if ( port == 0 && (p = strchr( session->server, ':' )) != 0 )
{
// Terminate the string and parse the port number
*p++ = '\0';
port = atoi( p );
}
memset( &saddr, 0, sizeof(saddr) );
saddr.sin6_family = AF_INET6;
saddr.sin6_port = htons (port);
sprintf( portStr, "%u", (unsigned)port );
#if defined (_WIN32)
if ( WSAStringToAddressA( (LPSTR)session->server, AF_INET6, NULL, (struct sockaddr *)&saddr, &addrlen ) == SOCKET_ERROR )
{
hWsock = LoadLibraryA("ws2_32");
if (hWsock)
{
/* Determine functions at runtime, because windows systems < XP do not
* support getaddrinfo. */
getaddrinfo_ptr = (getaddrinfo_ptr_t)GetProcAddress(hWsock, "getaddrinfo");
freeaddrinfo_ptr = (freeaddrinfo_ptr_t)GetProcAddress(hWsock, "freeaddrinfo");
if (getaddrinfo_ptr && freeaddrinfo_ptr)
{
memset(&ainfo, 0, sizeof(ainfo));
ainfo.ai_family = AF_INET6;
ainfo.ai_socktype = SOCK_STREAM;
ainfo.ai_protocol = 0;
if ( getaddrinfo_ptr(session->server, portStr, &ainfo, &res) == 0 && res )
{
resolvesuccess = 1;
memcpy( &saddr, res->ai_addr, res->ai_addrlen );
freeaddrinfo_ptr( res );
}
}
FreeLibrary(hWsock);
}
if (!resolvesuccess)
{
session->lasterror = LIBIRC_ERR_RESOLV;
return 1;
}
}
#else
if ( inet_pton( AF_INET6, session->server, (void*) &saddr.sin6_addr ) <= 0 )
{
memset( &ainfo, 0, sizeof(ainfo) );
ainfo.ai_family = AF_INET6;
ainfo.ai_socktype = SOCK_STREAM;
ainfo.ai_protocol = 0;
if ( getaddrinfo( session->server, portStr, &ainfo, &res ) || !res )
{
session->lasterror = LIBIRC_ERR_RESOLV;
return 1;
}
memcpy( &saddr, res->ai_addr, res->ai_addrlen );
freeaddrinfo( res );
}
#endif
// create the IRC server socket
if ( socket_create( PF_INET6, SOCK_STREAM, &session->sock)
|| socket_make_nonblocking (&session->sock) )
{
session->lasterror = LIBIRC_ERR_SOCKET;
return 1;
}
#if defined (ENABLE_SSL)
// Init the SSL stuff
if ( session->flags & SESSIONFL_SSL_CONNECTION )
{
int rc = ssl_init( session );
if ( rc != 0 )
return rc;
}
#endif
// and connect to the IRC server
if ( socket_connect (&session->sock, (struct sockaddr *) &saddr, sizeof(saddr)) )
{
session->lasterror = LIBIRC_ERR_CONNECT;
return 1;
}
session->state = LIBIRC_STATE_CONNECTING;
session->flags = 0; // reset in case of reconnect
return 0;
#else
session->lasterror = LIBIRC_ERR_NOIPV6;
return 1;
#endif
}
